CymChad · TealerProg · Aug 28, 2022 · Aug 28, 2022
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
@@ -40,6 +40,7 @@
         <activity android:name=".activity.DiffUtilActivity" />
         <activity android:name=".activity.node.ChooseNodeUseTypeActivity" />
         <activity android:name=".activity.node.NodeTreeUseActivity" />
+        <activity android:name=".activity.node.NotdeNTreeUserActivity"/>
         <activity android:name=".activity.multi.BinderUseActivity" />
     </application>
 

diff --git a/.../java/com/chad/baserecyclerviewadapterhelper/activity/node/ChooseNodeUseTypeActivity.java b/.../java/com/chad/baserecyclerviewadapterhelper/activity/node/ChooseNodeUseTypeActivity.java
@@ -29,5 +29,17 @@ public void onClick(View v) {
             }
         });
 
+        findViewById(R.id.card_view3).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                startActivity(new Intent(ChooseNodeUseTypeActivity.this, NotdeNTreeUserActivity.class));
+            }
+        });
+
+
+
+
+
+
     }
 }
diff --git a/...ain/java/com/chad/baserecyclerviewadapterhelper/activity/node/NotdeNTreeUserActivity.java b/...ain/java/com/chad/baserecyclerviewadapterhelper/activity/node/NotdeNTreeUserActivity.java
@@ -0,0 +1,111 @@
+package com.chad.baserecyclerviewadapterhelper.activity.node;
+
+import android.os.Bundle;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.GridLayoutManager;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.chad.baserecyclerviewadapterhelper.R;
+import com.chad.baserecyclerviewadapterhelper.adapter.node.tree.NodeNTreeAdapter;
+import com.chad.baserecyclerviewadapterhelper.adapter.node.tree.NodeTreeAdapter;
+import com.chad.baserecyclerviewadapterhelper.base.BaseActivity;
+import com.chad.baserecyclerviewadapterhelper.entity.node.tree.FirstNode;
+import com.chad.baserecyclerviewadapterhelper.entity.node.tree.SecondNode;
+import com.chad.baserecyclerviewadapterhelper.entity.node.tree.ThirdNode;
+import com.chad.baserecyclerviewadapterhelper.utils.Tips;
+import com.chad.library.adapter.base.entity.node.BaseNode;
+import com.chad.library.adapter.base.listener.GridSpanSizeLookup;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author : lipengbp
+ * @email : lipengbo@okay.cn
+ * @date : 2022/08/28 15:41
+ * @desc : 描述
+ */
+public class NotdeNTreeUserActivity extends BaseActivity {
+
+    private RecyclerView mRecyclerView;
+    private NodeNTreeAdapter adapter = new NodeNTreeAdapter();
+
+    private List<BaseNode> data=new ArrayList<>();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_node_n_tree);
+        setBackBtn();
+        setTitle("Node Use (Tree)");
+
+        mRecyclerView = findViewById(R.id.rv_list);
+        mRecyclerView.setLayoutManager(new GridLayoutManager(this,2));
+        data=getEntity();
+        mRecyclerView.setAdapter(adapter);
+        adapter.setList(data);
+
+        // 模拟新增node
+        mRecyclerView.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                SecondNode seNode = new SecondNode(new ArrayList<BaseNode>(), "Second Node(This is added)");
+                List<BaseNode> thirdNodeList1 = new ArrayList<>();
+                for (int i = 0; i < 8; i++) {
+                    ThirdNode node = new ThirdNode("Third Node (This is added)" + i);
+                    thirdNodeList1.add(node);
+                }
+                seNode.getChildNode().addAll(thirdNodeList1);
+                SecondNode seNode2 = new SecondNode(new ArrayList<BaseNode>(), "Second Node(This is added)");
+                List<BaseNode> thirdNodeList2 = new ArrayList<>();
+                for (int i = 0; i < 8; i++) {
+                    ThirdNode node = new ThirdNode("Third Node (This is added)" + i);
+                    thirdNodeList2.add(node);
+                }
+                seNode2.getChildNode().addAll(thirdNodeList2);
+                List<SecondNode> nodes = new ArrayList<>();
+                nodes.add(seNode);
+                nodes.add(seNode2);
+                //第一个夫node，位置为子node的3号位置
+                adapter.nodeAddData(adapter.getData().get(0), 2, nodes);
+//                adapter.nodeSetData(adapter.getData().get(0), 2, seNode2);
+//                adapter.nodeReplaceChildData(adapter.getData().get(0), nodes);
+                Tips.show("新插入了两个node", Toast.LENGTH_LONG);
+//                adapter.nodeRemoveData(adapter.getData().get(0), 0);
+//                Tips.show("删除一个Node节点", Toast.LENGTH_LONG);
+            }
+        }, 2000);
+    }
+
+    private List<BaseNode> getEntity() {
+        List<BaseNode> list = new ArrayList<>();
+        for (int i = 0; i < 8; i++) {
+
+            List<BaseNode> secondNodeList = new ArrayList<>();
+            for (int n = 0; n <= 5; n++) {
+
+                List<BaseNode> thirdNodeList = new ArrayList<>();
+                for (int t = 0; t <= 10; t++) {
+                    ThirdNode node = new ThirdNode("Third Node " + t);
+                    thirdNodeList.add(node);
+                }
+
+                SecondNode seNode = new SecondNode(thirdNodeList, "Second Node " + n);
+                secondNodeList.add(seNode);
+            }
+
+            FirstNode entity = new FirstNode(secondNodeList, "First Node " + i);
+
+            // 模拟 默认第0个是展开的
+            entity.setExpanded(i == 0);
+
+            list.add(entity);
+        }
+        return list;
+    }
+
+
+}
diff --git a/.../main/java/com/chad/baserecyclerviewadapterhelper/adapter/node/tree/NodeNTreeAdapter.java b/.../main/java/com/chad/baserecyclerviewadapterhelper/adapter/node/tree/NodeNTreeAdapter.java
@@ -0,0 +1,45 @@
+package com.chad.baserecyclerviewadapterhelper.adapter.node.tree;
+
+import com.chad.baserecyclerviewadapterhelper.adapter.node.tree.provider.FirstProvider;
+import com.chad.baserecyclerviewadapterhelper.adapter.node.tree.provider.SecondProvider;
+import com.chad.baserecyclerviewadapterhelper.adapter.node.tree.provider.ThirdProvider;
+import com.chad.baserecyclerviewadapterhelper.entity.node.tree.FirstNode;
+import com.chad.baserecyclerviewadapterhelper.entity.node.tree.SecondNode;
+import com.chad.baserecyclerviewadapterhelper.entity.node.tree.ThirdNode;
+import com.chad.library.adapter.base.BaseNodeAdapter;
+import com.chad.library.adapter.base.entity.node.BaseNode;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+/**
+ * @author : lipengbp
+ * @email : lipengbo@okay.cn
+ * @date : 2022/08/28 15:43
+ * @desc : 描述
+ */
+public class NodeNTreeAdapter extends BaseNodeAdapter {
+
+    public NodeNTreeAdapter() {
+        super();
+        addFullSpanNodeProvider(new FirstProvider());
+        addFullSpanNodeProvider(new SecondProvider());
+        addNodeProvider(new ThirdProvider());
+    }
+
+    @Override
+    protected int getItemType(@NotNull List<? extends BaseNode> data, int position) {
+        BaseNode node = data.get(position);
+        if (node instanceof FirstNode) {
+            return 1;
+        } else if (node instanceof SecondNode) {
+            return 2;
+        } else if (node instanceof ThirdNode) {
+            return 3;
+        }
+        return -1;
+    }
+
+    public static final int EXPAND_COLLAPSE_PAYLOAD = 110;
+}
diff --git a/...ava/com/chad/baserecyclerviewadapterhelper/adapter/node/tree/provider/SecondProvider.java b/...ava/com/chad/baserecyclerviewadapterhelper/adapter/node/tree/provider/SecondProvider.java
@@ -40,7 +40,8 @@ public void onClick(@NotNull BaseViewHolder helper, @NotNull View view, BaseNode
         if (entity.isExpanded()) {
             getAdapter().collapse(position);
         } else {
-            getAdapter().expandAndCollapseOther(position);
+            getAdapter().expand(position);
+//            getAdapter().expandAndCollapseOther(position);
         }
     }
 }
diff --git a/app/src/main/java/com/chad/baserecyclerviewadapterhelper/entity/node/tree/ThirdNode.java b/app/src/main/java/com/chad/baserecyclerviewadapterhelper/entity/node/tree/ThirdNode.java
@@ -1,18 +1,24 @@
 package com.chad.baserecyclerviewadapterhelper.entity.node.tree;
 
+import com.chad.library.adapter.base.entity.node.BaseExpandNode;
 import com.chad.library.adapter.base.entity.node.BaseNode;
 
 import org.jetbrains.annotations.Nullable;
 
 import java.util.List;
 
-public class ThirdNode extends BaseNode {
+public class ThirdNode extends BaseExpandNode {
     private String title;
 
+
     public ThirdNode(String title) {
         this.title = title;
     }
 
+
+
+
+
     public String getTitle() {
         return title;
     }

diff --git a/app/src/main/res/layout/activity_choose_node_use_type.xml b/app/src/main/res/layout/activity_choose_node_use_type.xml
@@ -80,5 +80,42 @@
         </LinearLayout>
     </androidx.cardview.widget.CardView>
 
+    <androidx.cardview.widget.CardView
+        android:id="@+id/card_view3"
+        android:layout_width="match_parent"
+        android:layout_height="150dp"
+        android:layout_gravity="center"
+        android:layout_marginLeft="5dp"
+        android:layout_marginTop="20dp"
+        android:layout_marginRight="5dp"
+        android:foreground="?android:attr/selectableItemBackground"
+        card_view:cardBackgroundColor="@color/item_bg"
+        card_view:cardCornerRadius="4dp"
+        card_view:cardElevation="2dp"
+        card_view:cardUseCompatPadding="true">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="vertical">
+
+            <ImageView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:scaleType="centerCrop"
+                android:src="@mipmap/animation_img1" />
+
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:gravity="center"
+                android:text="BaseNodeAdapter (NTree)"
+                android:textColor="@android:color/black"
+                android:textSize="18sp"
+                android:textStyle="bold" />
+
+        </LinearLayout>
+    </androidx.cardview.widget.CardView>
+
 
 </LinearLayout>
diff --git a/app/src/main/res/layout/activity_node_n_tree.xml b/app/src/main/res/layout/activity_node_n_tree.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:background="@color/bg"
+    tools:context=".activity.SectionQuickUseActivity">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rv_list"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+
+</LinearLayout>